Form conversion crashed a few forms

I am unable to reproduce this on any of my installs so we will likely need to go through some troubleshooting steps that are not really possible in this forum. If you would like us to assist you with this you can submit a support request over at https://ninjaforms.com/support/ where our team would be happy to help.